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Helper functions for dealing with Cloud Datastore’s Protobuf API.
The non-private functions are part of the API.
class google.cloud.datastore.helpers.GeoPoint(latitude, longitude)Bases: object
Simple container for a geo point value.
_eq_(other)Compare two geo points for equality.
Return type
Returns
True if the points compare equal, else False.
Compare two geo points for inequality.
Return type
Returns
False if the points compare equal, else True.
Convert the current object to protobuf.
Return type
google.type.latlng_pb2.LatLng.
Returns
The current point as a protobuf.
Factory method for creating an entity based on a protobuf.
The protobuf should be one returned from the Cloud Datastore Protobuf API.
Parameters
pb (entity_pb2.Entity) – The Protobuf representing the entity.
Return type
Returns
The entity derived from the protobuf.
Converts an entity into a protobuf.
Parameters
entity (google.cloud.datastore.entity.Entity) – The entity to be turned into a protobuf.
Return type
entity_pb2.Entity
Returns
The protobuf representing the entity.
Validate rules for read options, and assign to the request.
Helper method for lookup() and run_query.
Parameters
eventual (bool) – Flag indicating if EVENTUAL or STRONG consistency should be used.
transaction_id (bytes) – A transaction identifier (may be null).
read_time (datetime) – Read data from the specified time (may be null). This feature is in private preview.
new_transaction_options (google.cloud.datastore_v1.types.TransactionOptions) – Options for a new transaction.
Return type
datastore_pb2.ReadOptions
Returns
The read options corresponding to the inputs.
Raises
ValueError if more than one of eventual==True, transaction_id, read_time, and new_transaction_options is specified.
Get the transaction_id or new_transaction_options field from an active transaction object, for use in get_read_options
These are mutually-exclusive fields, so one or both will be None.
Return type
Tuple[Optional[bytes], Optional[google.cloud.datastore_v1.types.TransactionOptions]]
Returns
The transaction_id and new_transaction_options fields from the transaction object.
Factory method for creating a key based on a protobuf.
The protobuf should be one returned from the Cloud Datastore Protobuf API.
Parameters
pb (entity_pb2.Key) – The Protobuf representing the key.
Return type
Returns
a new Key instance
Set the “database_id” field to the request only if it was provided.
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Last updated 2025-08-07 UTC.
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